Metrics per run

https://en.wikipedia.org/wiki/Taylor_Swift

Tested 2026-06-18 23:26:53 using Firefox 151.0.3 (runtime settings)

Side by side

Metric12345MedianMeanstddevrsd
Google Web Vitals
Time to First Byte 420 ms 415 ms 417 ms 416 ms 419 ms417 ms417 ms2 ms0.44 %
Largest Contentful Paint 2.283 s 2.459 s 2.102 s 2.548 s 2.101 s2.283 s2.299 s182 ms7.92 %
Timing metrics
First Paint 1.490 s 1.400 s 1.554 s 1.467 s 1.444 s1.467 s1.471 s51 ms3.47 %
Largest Contentful Paint 2.283 s 2.459 s 2.102 s 2.548 s 2.101 s2.283 s2.299 s182 ms7.92 %
Load Event End 2.213 s 2.740 s 2.247 s 2.877 s 2.193 s2.247 s2.454 s293 ms11.95 %
Server Response Time 112 ms 111 ms 112 ms 112 ms 112 ms112 ms112 ms0 ms0.36 %
TTFB 420 ms 415 ms 417 ms 416 ms 419 ms417 ms417 ms2 ms0.44 %
Page Load Time 2.213 s 2.739 s 2.247 s 2.876 s 2.193 s2.247 s2.454 s293 ms11.93 %
First Visual Change 1.533 s 1.433 s 1.600 s 1.500 s 1.500 s1.500 s1.513 s54 ms3.58 %
Last Visual Change 4.400 s 4.500 s 4.367 s 4.400 s 4.367 s4.400 s4.407 s49 ms1.11 %
Speed Index 1.886 s 1.834 s 1.917 s 1.859 s 1.854 s1.859 s1.870 s29 ms1.54 %
Visual Readiness 2.867 s 3.067 s 2.767 s 2.900 s 2.867 s2.867 s2.894 s98 ms3.37 %
Visual Complete 95 3.300 s 3.433 s 3.300 s 3.367 s 3.367 s3.367 s3.353 s50 ms1.49 %
Visual Complete 99 3.300 s 3.433 s 3.300 s 3.367 s 3.367 s3.367 s3.353 s50 ms1.49 %
CPU metrics
Browser metrics
CPU benchmark score 77 ms 77 ms 77 ms 77 ms 77 ms77 ms77 ms0 ms0.00 %
Page metrics
DOM elements 22310 22310 22310 22310 22310223102231000.00 %
Document height 50822 50822 50822 50822 50822508225082200.00 %
Total Requests 67 67 67 66 67676700.60 %
HTML Requests 1 1 1 1 11100.00 %
JavaScript Requests 8 8 8 8 88800.00 %
CSS Requests 2 2 2 2 22200.00 %
Font Requests 0 0 0 0 00000.00 %
HTTP Errors 0 0 0 0 0000N/A
Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB597 B0.04 %
HTML Transfer Size 265.7 KB 265.7 KB 265.7 KB 265.7 KB 265.7 KB265.7 KB265.7 KB0 b0.00 %
JavaScript Transfer Size 311.4 KB 311.4 KB 311.4 KB 311.4 KB 311.4 KB311.4 KB311.4 KB1 B0.00 %
CSS Transfer Size 28.8 KB 28.8 KB 28.8 KB 28.8 KB 28.8 KB28.8 KB28.8 KB1 B0.00 %
Font Transfer Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Transfer Size 2.0 KB 2.0 KB 2.0 KB 2.0 KB 2.0 KB2.0 KB2.0 KB0 b0.00 %
Plain Transfer Size 954 B 973 B 973 B 973 B 973 B973 B969 B8 B0.78 %
SVG Transfer Size 89.5 KB 89.5 KB 89.3 KB 89.5 KB 89.5 KB89.5 KB89.4 KB76 B0.08 %
Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
HTML Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
JavaScript Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
CSS Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Image Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Font Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Favicon Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Plain Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
SVG Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %
Third Party metrics
First Party metrics
First Party Requests 67 67 67 66 67676700.60 %
First Party Total Transfer Size 1.3 MB 1.3 MB 1.3 MB 1.3 MB 1.3 MB1.3 MB1.3 MB597 B0.04 %
First Party Total Content Size 0 b 0 b 0 b 0 b 0 b0 b0 b0 b0.00 %